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Preservation of Bilateral Corticospinal Projections from Injured Hemisphere After Perinatal Stroke.
Brain Sci
January 2025
Waisman Center, University of Wisconsin-Madison, Madison, WI 53706, USA.
Background: Perinatal brain injury is a leading cause of developmental disabilities, including cerebral palsy. However, further work is needed to understand early brain development in the presence of brain injury. In this case report, we examine the longitudinal neuromotor development of a term infant following a significant loss of right-hemispheric brain tissue due to a unilateral ischemic stroke.
View Article and Find Full Text PDFAbnormal neurovascular coupling exists in patients with peritoneal dialysis and hemodialysis: evidence from a multi-mode MRI study.
Clin Kidney J
January 2025
Department of Nephrology, Beijing Friendship Hospital, Capital Medical University, Xicheng District, Beijing, China.
Background: Neurovascular coupling (NVC), as indicated by a comprehensive analysis of the amplitude of low-frequency fluctuation (ALFF) and cerebral blood flow (CBF), provides mechanistic insights into neurological disorders. Patients undergoing peritoneal dialysis (PD) and hemodialysis (HD) often face cognitive impairment, the causes of which are not fully understood.
Methods: ALFF was derived from functional magnetic resonance imaging, and CBF was quantified using arterial spin labeling in a cohort comprising 58 patients with PD, 60 patients with HD and 62 healthy controls.
Premovement neuronal activity in the primary motor cortex is associated with the initiation of ipsilateral hand movements in monkeys.
Neurosci Res
January 2025
Neural Prosthetics Project, Tokyo Metropolitan Institute of Medical Science, Setagaya, Tokyo 156-8506, Japan.
The primary motor cortex (M1) is believed to be a cortical center for the execution of limb movements. Although M1 neurons mainly project to the spinal cord on the contralateral side, some M1 neurons project to the ipsilateral side via the uncrossed corticospinal pathway. Moreover, some M1 neurons are activated during ipsilateral forelimb movements.
View Article and Find Full Text PDFNeonatal but not Juvenile Gene Therapy Reduces Seizures and Prolongs Lifespan in SCN1B-Dravet Syndrome Mice.
J Clin Invest
January 2025
Department of Pharmacology, University of Michigan Medical School, Ann Arbor, United States of America.
Dravet syndrome (DS) is a developmental and epileptic encephalopathy (DEE) that begins in the first year of life. While most cases of DS are caused by variants in SCN1A, variants in SCN1B, encoding voltage-gated sodium channel β1 subunits, are also linked to DS or to the more severe early infantile DEE. Both disorders fall under the OMIM term DEE52.
View Article and Find Full Text PDFDecreased prefrontal activation during verbal fluency task after repetitive transcranial magnetic stimulation treatment for depression in Alzheimer's disease: a functional near-infrared spectroscopy study.
Front Aging Neurosci
January 2025
Department of Psychiatry, Affiliated Kangning Hospital of Ningbo University, Ningbo, China.
Background: Studies have shown the clinical effects of repetitive transcranial magnetic stimulation (rTMS) on depression in Alzheimer's disease (AD). However, the underlying mechanisms remain poorly understood. The measurement of brain activation links neurobiological and functional aspects but is challenging in patients with dementia.
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